(a) The indictment must be direct and certain as it regards
(1) the party charged;
(2) the crime charged; and
(3) the particular circumstances of the crime charged when they are necessary to constitute a complete crime.
(b) The statement of the facts constituting the offense must be in ordinary and concise language, without repetition, and in a manner that will enable a person of common understanding to know what is intended.
(c) An indictment that complies with this section and with applicable rules adopted by the supreme court is valid and need not specify aggravating factors set out in AS 12.55.155.